Doolittle likely to be A’s first returnee from the DL

Sean Doolittle will get to throw one inning Friday in Nashville on injury rehab assignment and could be back with A’s soon thereafter.The A’s are looking increasingly like they will get reliever Sean Doolittle off the disabled list next week but won’t have starter Jesse Hahn or catcher Josh Phegley back until after the rosters expand from 25 players to 40 on Sept. 1.

Down the line in September the club still has hopes of seeing both Henderson Alvarez and Sonny Gray on the mound.

Doolittle, currently in the middle of an injury rehabilitation assignment with Triple-A Nashville with his left shoulder strain under control, is scheduled to throw one inning Friday for the Sounds. If he comes…